1.White corundum FEPA P grit 2. for making sanding cloth, sanding paper, ... selfsharpness ability Description:WAP is one kind of high pure white fused aluminium oxide grain for coated abrasives,Its high friable, well ... or ISO 6344-2: 1998Key words:white fused aluminium oxide,fused brown corundum,corundum,brown fused alumina,brown aluminium oxide,fused alumina white fused aluminum oxide FEPA P grit